5305-00-680-7295
Find complete technical information, availability, and procurement data for: 5305-00-680-7295
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A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.
0.620 inches minimum and 0.795 inches maximum thread length, 1.235 inches minimum and 1.280 inches maximum fastener length, flat countersunk head style, 3a thread class, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.620 inches minimum and 0.795 inches maximum
- Fastener Length
- 1.235 inches minimum and 1.280 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.932 inches minimum and 1.022 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 4140
- Screw Material Document And Classification
- mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-5626 mil spec 4th material response
- Screw Surface Treatment
- cadmium and chromate
- Thread Series Designator
- unf
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|---|---|
| NAS517-8-8 | Machine Screw |
FAQs
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